1.
num = input()
print('Yes' if num == num[::-1] else 'No')
2.
num = list(input())
a = list(set(num))
if len(a) == 1:
print('Неверно')
else:
print('Верно' if num.count(a[0]) == 3 or num.count(a[1]) == 3 else 'Неверно')
3.
num = int(input())
print(pow(int(pow(num, 0.5)) + 1, 2))